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Finding the Fourth Proportional to 189,165.39, 283,789.60 and 56,056.07

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Solution

The fourth proportional to 189,165.39, 283,789.60 and 56,056.07 is: 84,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,165.39 : 283,789.60 = 56,056.07 : x
  2. Step 2: Convert to fraction form
    189,165.39/283,789.60 = 56,056.07/x
  3. Step 3: Cross multiply
    189,165.39x = 283,789.60 × 56,056.07
  4. Step 4: Simplify right side
    189,165.39x = 15,908,128,263.92
  5. Step 5: Solve for x
    x = 15,908,128,263.92/189,165.39
  6. Step 6: Final answer
    x = 84,096.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.